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Black plate (50,1)
GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
10-50
Vehicle Care
Top View
Harness
Connector
Usage
BODY 2
Body Harness
Connector 2
BODY 1
Body Harness
Connector 1
BODY 3
Body Harness
Connector 3
HEADLINER 3
Headliner
Harness
Connector 3
Harness
Connector
Usage
HEADLINER 2
Headliner
Harness
Connector 2
HEADLINER 1
Headliner
Harness
Connector 1
SEO/
UPFITTER
Special
Equipment Option
Upfitter Harness
Connector
Circuit
Breaker
Usage
CB1
Passenger Side
Power Window Circuit
Breaker
CB2
Passenger Seat
Circuit Breaker
CB3
Driver Seat Circuit
Breaker
CB4
Rear Sliding Window
Wheels and Tires
Tires
Every new GM vehicle has
high-quality tires made by a
leading tire manufacturer.
See the warranty manual for
information regarding the tire
warranty and where to get
service. For additional
information refer to the tire
manufacturer.
{
WARNING
.
Poorly maintained and
improperly used tires are
dangerous.
.
Overloading the tires can
cause overheating as a result
of too much flexing. There
could be a blowout and a
serious crash. See
Vehicle
Load Limits on page 9
‑
16
.
(Continued)